Nucleic Acids

Blast (Basic Local Alignment Search Tool)	Online search for other sequences in GenBank and other databases with similarities to a user supplied sequence. A brief manual is available. Supported by NCBI (National Center for Biotechnology Information).
EMBL Sequence Database	Database of nucleic acid sequences maintained by the European Molecular Biology Laboratory. A manual for using this site is available.
Baylor College of Medicine	An integrated collection of greater than 50 programs for sequence data analysis, including multiple sequence alignments, pattern searches, gene structure, and protein structure predictions.
ORF finder	Program at NCBI to find Open Reading Frames in a sequence.
Codon Usage Database	Database of Codon Usage for 5000 organisms.
Rebase	Searchable restriction enzyme database for all commercially available restriction enzymes.
Webcutter	Online restriction mapping tool.
Primer	PRIMER3 helps select oligonucleotide primers for PCR reactions.
Signal Scan	Scans DNA sequences for promoters, transcription factor binding sites, RNA Polymerase II binding sites.
Biosequence Comparison Guide	Basic manual on how sequence comparison programs work.
E.coli STOCKS (CGSC)	Information from the E. coli stock Center Database.
ATCC - American Type Culture Collection	Extensive information about cell lines, plasmids and bacteria, with online order forms.
ExPASy	Analysis of protein and nucleic acid sequences as well as 2-D PAGE.
VectorDB	Database of over 2600 vector DNA sequences.